Fabric Pairing via Assisting Device Without Network Switching
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Solution Overview
Problem
Existing smart home systems face complexity and user interaction challenges when adding new devices to networks, as manual network switching is often required, which can be tedious and inefficient, especially for devices that cannot automatically switch between networks.
Innovation Solution
The implementation of network-assisted fabric pairing, where a commissioner device connects to an assisting device in one network and establishes a secure tunnel to a joining device in another network, allowing for simplified in-band pairing without manual network switching, enabling devices to join the fabric without user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual network switching is used for device pairing, then devices can join the network, but user interaction increases and pairing complexity increases
Solution Approach 1:
The patent introduces a fabric network as an intermediary communication channel between the commissioner device and the joining device. Instead of requiring the commissioner to manually switch to the joining device's network, both devices communicate through the shared fabric network, eliminating manual network switching while maintaining device joining capability
Solution Approach 2:
The patent replaces the manual mechanical action of network switching with an automated electronic process. The system automatically establishes communication paths through the fabric network using electronic signaling and protocol-based routing, substituting user manual operations with automated system behavior
2Adaptability or versatility
If manual network switching is used for device pairing, then devices can join the network, but time consumption increases
Solution Approach 1:
The patent utilizes preliminary actions by establishing that both the commissioner device and joining device are already connected to the fabric network before pairing begins. This pre-established connection eliminates the time-consuming step of network switching during the pairing process, as the communication path is already in place
Solution Approach 2:
The fabric network serves as a mediator that enables direct communication between devices without requiring time-consuming network transitions. By using the shared fabric network as the communication medium, the pairing process occurs instantly over the existing connection rather than requiring sequential network switching
3Adaptability or versatility
If devices host their own networks for joining, then device autonomy is maintained, but system complexity increases
Solution Approach 1:
The patent applies universality by having devices communicate through a common fabric network infrastructure that serves multiple functions. The fabric network simultaneously provides general network connectivity and specialized pairing communication, eliminating the need for separate joining-specific networks while maintaining device autonomy through standardized interfaces
Data Source
AI summary
Systems and methods for joining a device to a fabric using an assisting device include an indication to add a joining device to a fabric. If the joining device supports network-assisted fabric pairing, a first connection is established between a commissioning device and the assisting device. The assisting device also connects to a joining device. Through the assisting device, the commissioning device and the joining device establish a communication channel over which fabric credentials may be sent.